function getYMD() {
  const date = new Date();
  const year = date.getFullYear();
  let month = date.getMonth() + 1;
  let day = date.getDate();

  // 补零
  month = month < 10 ? `0${month}` : month;
  day = day < 10 ? `0${day}` : day;

  return {
    year: year,
    month: month,
    day: day,
    fullDate: `${year}-${month}-${day}`
  };
}

function formatTime(date) {
  var date = date || new Date();
  var year = date.getFullYear()
  var month = date.getMonth() + 1
  var day = date.getDate()
  
  var hour = date.getHours()
  var minute = date.getMinutes()
  var second = date.getSeconds()
  //return [year, month, day].map(formatNumber).join('-') 
  
   return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
  }
  
  function formatNumber(n) {
  n = n.toString()
  return n[1] ? n : '0' + n
  }
  
  /** 
  * 时间戳转化为年 月 日 时 分 秒 
  * number: 传入时间戳 
  * format：返回格式，支持自定义，但参数必须与formateArr里保持一致 
  */
  function formatTimeTwo(number, format) {
  
  var formateArr = ['Y', 'M', 'D', 'h', 'm', 's'];
  var returnArr = [];
  
  var date = new Date(number * 1000);
  returnArr.push(date.getFullYear());
  returnArr.push(formatNumber(date.getMonth() + 1));
  returnArr.push(formatNumber(date.getDate()));
  
  returnArr.push(formatNumber(date.getHours()));
  returnArr.push(formatNumber(date.getMinutes()));
  returnArr.push(formatNumber(date.getSeconds()));
  
  for (var i in returnArr) {
  format = format.replace(formateArr[i], returnArr[i]);
  }
  return format;
  }
  

module.exports = {
  getYMD: getYMD,
  formatTime: formatTime,
  formatTimeTwo: formatTimeTwo
};